Limnanthes gracilis Howell var. gracilis

Oregon: Josephine: 1 mile south of Hugo along road to Merlin.
42.570233° N, 123.40139° W,
Flowers white, closing over maturing nutlets. Https://intermountainbiota.org/portal/collections/individual/index.php?occid=30787252. Phenology: flowering.

Charles T. Mason Jr. 1272, 1949-4-28
WS, Catalog: 217271